body{
  margin: 0;
  padding: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgb(230, 230, 230);
}
::-webkit-scrollbar {
  display: none; /* Chrome、Edge、Safari */
}

input::-webkit-inner-spin-button {
  -webkit-appearance: none !important;
 
}
 
input::-webkit-outer-spin-button{
  -webkit-appearance: none !important;
 
}
 
input[type="number"]{
  -moz-appearance: textfield;
}